This valve is specially used to control non-corrosive or strongly corrosive media. The inner cavity surface of the valve is not lined or covered with various fluoroplastics, suitable for different working temperatures and fluid pipelines.
Applicable temperature: ≤85℃, ≤100℃.≤120℃, ≤150℃ (according to lining and diaphragm material)
Main material
| NO. | Name | Material |
| 1 | Body | WCB/304 |
| 2 | Bonnel | Carbon steel, stainless steel |
| 3 | Lining | Unlined, fluoroplastic |
| 4 | Diaphragm | Fluoroplastic |
| 7 | Valve petal | Stainless steel |
| 8 | Stem | Stainless steel304/45# |
| 9 | Handwheel | Cast iron |
Tests
| Lining layer | Electric spark detection |
| Test and inspection | GT/T13927 |
| Nominal pressure | Body：PNx1.5 |
| Seal：PNx1.1 |
Shape controltable
| DN | Nominal pressure(Mpa) | Work pressure(Mpa) | L | D | D1 | n-φ | f | H1 | H2 | D0 | KG |
| 15 | 1.0 | 1.0 | 125 | 95 | 65 | 4—14 | 2 | 105 | 116 | 120 | 4.5 |
| 20 | 135 | 105 | 75 | 4—14 | 2 | 117 | 128 | 120 | 4.5 | ||
| 25 | 145 | 115 | 85 | 4—14 | 2 | 121 | 135 | 120 | 5 | ||
| 32 | 160 | 140 | 100 | 4—18 | 2 | 132 | 150 | 120 | 7 | ||
| 40 | 180 | 150 | 110 | 4—18 | 3 | 156 | 176 | 140 | 9 | ||
| 50 | 210 | 165 | 125 | 4—18 | 3 | 169 | 195 | 140 | 12.5 | ||
| 65 | 250 | 185 | 145 | 4—18 | 3 | 200 | 236 | 200 | 19 | ||
| 80 | 300 | 200 | 160 | 8—18 | 3 | 216 | 256 | 200 | 25.5 | ||
| 100 | 350 | 220 | 180 | 8—18 | 3 | 270 | 322 | 280 | 40 | ||
| 125 | 400 | 250 | 210 | 8—18 | 3 | 315 | 380 | 320 | 62 | ||
| 150 | 0.6 | 0.4 | 460 | 285 | 240 | 8—22 | 3 | 378 | 458 | 320 | 80.5 |
| 200 | 570 | 340 | 295 | 8—22 | 4 | 518 | 638 | 400 | 146 | ||
| 250 | 680 | 395 | 350 | 12—22 | 4 | 583 | 720 | 500 | 240 | ||
| 300 | 790 | 445 | 400 | 12—22 | 4 | 698 | 778 | 500 | 334 | ||
| 350 | 900 | 505 | 460 | 16—22 | 4 | 723 | 883 | 500 | 371 | ||
| 400 | 0.3 | 1000 | 565 | 515 | 16—26 | 4 | 868 | 1078 | 640 | 584 |
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